𝐬𝐞𝐜𝐚𝐧𝐭 𝜽 , 𝐜𝐨𝐬𝐞𝐜𝐚𝐧𝐭 𝜽 𝒂𝒏𝒅 𝐜𝐨𝐭𝐚𝐧𝐠𝐞𝐧𝐭 𝜽
1
sec 𝜃 =
cos 𝜃
1
cosec 𝜃 =
sin 𝜃
1 cos 𝜃
cot 𝜃 = =
tan 𝜃 sin 𝜃
Example 1: Evaluate
2
degrees
a) sec 210° =
radio
b) cot = math error
degrees
c) cosec 120° = 2 5
1200
Graphs of 𝐬𝐞𝐜 𝜽 , 𝐜𝐨𝐬𝐞𝐜 𝜽 , 𝐜𝐨𝐭 𝜽
,
• Detailed theory explanations on all key P3 topics such as differential equations, integrals, series, polynomials, and more. • Fully worked examples for each chapter, with clear step-by-step solutions and explanations. • Exam tips and strategies to help you achieve better results. • Easy-to-follow formatting with bullet points, tables, and diagrams where necessary.
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